Uninterruptible power supply

FIG. 1 is a front perspective view of the uninterruptible power supply showing our design;

FIG. 2 is back view thereof;

FIG. 3 is front view, opposite the back view of FIG. 2 ;

FIG. 4 is a first side view thereof;

FIG. 5 is a second side view thereof, opposite that shown in FIG. 4 ;

FIG. 6 is a top view of the uninterruptible power supply; and,

FIG. 7 is a bottom view of the uninterruptible power supply.

The broken lines in the drawings illustrate portions of the article that form no part of the claimed design.